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Abstract:This is a report of a research project involving, in Phase I, the skid resistance of asphaltic concrete overlays. Phase II is a report of a pilot study set up in order to determine the best way to perform a skid resistance inventory of the highway network in Louisiana.
Phase I was conducted from August 1969 to August 1974 and included the skid testing of 19 dense-graded, asphaltic concrete overlays with hard rock (stream deposited, chert gravel) as the coarse aggregate. The skidding was conducted every six months for the five-year period. Also included herein are the results of a study of the pavement texture by means of the stereo-photographic method.
Phase II established that a skid resistance inventory could be run using the ground rules set by the Department's Traffic and Planning Section. Reporting would be in a graphical form, and the basic unit of the highway inventory would be the control unit (C. U.).
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